A skier walks from the bottom of a ski slope to the top and gains 10000J of gravitational potential
energy.
She skis down the slope. At the bottom of the slope, her kinetic energy is 2000J.
How much energy is dissipated in overcoming friction and air resistance as the skier moves down
the slope?
A 2000J B 8000J C 10000J D 12 000J
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